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Within a vapour-compression refrigeration cycle, which consequence results when the condenser pressure increases beyond design specifications?

A)Reduced cooling capacity observed
B)Increased evaporator superheat realised
C)Optimal coefficient of performance attained
D)Compressor motor efficiency is unchanged

💡 Explanation

Reduced cooling results because increased condenser pressure raises the saturation temperature forcing the compressor to work harder, thus the volumetric cooling capacity decreases rather than increasing, therefore reducing cooling than maintaining it given optimal conditions.

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